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| author | Ryo Nihei <nihei.dev@gmail.com> | 2022-05-09 00:36:06 +0900 |
|---|---|---|
| committer | Ryo Nihei <nihei.dev@gmail.com> | 2022-05-10 23:14:52 +0900 |
| commit | dd5fd3372cdb53e7a3a36b5ef61b0b0c35023798 (patch) | |
| tree | e29796e3c0aee95e443aeabe6b24e2ed4c81dac0 /spec/lexer.go | |
| parent | Add #assign directive (diff) | |
| download | cotia-dd5fd3372cdb53e7a3a36b5ef61b0b0c35023798.tar.gz cotia-dd5fd3372cdb53e7a3a36b5ef61b0b0c35023798.tar.xz | |
Add ordered symbol notation
Diffstat (limited to 'spec/lexer.go')
| -rw-r--r-- | spec/lexer.go | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/spec/lexer.go b/spec/lexer.go index 2459c40..c1c4b0d 100644 --- a/spec/lexer.go +++ b/spec/lexer.go @@ -15,21 +15,22 @@ import ( type tokenKind string const ( - tokenKindKWFragment = tokenKind("fragment") - tokenKindID = tokenKind("id") - tokenKindTerminalPattern = tokenKind("terminal pattern") - tokenKindStringLiteral = tokenKind("string") - tokenKindColon = tokenKind(":") - tokenKindOr = tokenKind("|") - tokenKindSemicolon = tokenKind(";") - tokenKindLabelMarker = tokenKind("@") - tokenKindDirectiveMarker = tokenKind("#") - tokenKindExpantion = tokenKind("...") - tokenKindLParen = tokenKind("(") - tokenKindRParen = tokenKind(")") - tokenKindNewline = tokenKind("newline") - tokenKindEOF = tokenKind("eof") - tokenKindInvalid = tokenKind("invalid") + tokenKindKWFragment = tokenKind("fragment") + tokenKindID = tokenKind("id") + tokenKindTerminalPattern = tokenKind("terminal pattern") + tokenKindStringLiteral = tokenKind("string") + tokenKindColon = tokenKind(":") + tokenKindOr = tokenKind("|") + tokenKindSemicolon = tokenKind(";") + tokenKindLabelMarker = tokenKind("@") + tokenKindDirectiveMarker = tokenKind("#") + tokenKindExpantion = tokenKind("...") + tokenKindOrderedSymbolMarker = tokenKind("$") + tokenKindLParen = tokenKind("(") + tokenKindRParen = tokenKind(")") + tokenKindNewline = tokenKind("newline") + tokenKindEOF = tokenKind("eof") + tokenKindInvalid = tokenKind("invalid") ) type Position struct { @@ -266,6 +267,8 @@ func (l *lexer) lexAndSkipWSs() (*token, error) { return newSymbolToken(tokenKindDirectiveMarker, newPosition(tok.Row+1, tok.Col+1)), nil case KindIDExpansion: return newSymbolToken(tokenKindExpantion, newPosition(tok.Row+1, tok.Col+1)), nil + case KindIDOrderedSymbolMarker: + return newSymbolToken(tokenKindOrderedSymbolMarker, newPosition(tok.Row+1, tok.Col+1)), nil case KindIDLParen: return newSymbolToken(tokenKindLParen, newPosition(tok.Row+1, tok.Col+1)), nil case KindIDRParen: |